Here you can find the source of getIsoDateFormat()
public static DateFormat getIsoDateFormat()
//package com.java2s; /*// ww w .j a va2 s .com * JasperReports - Free Java Reporting Library. * Copyright (C) 2001 - 2014 TIBCO Software Inc. All rights reserved. * http://www.jaspersoft.com * * Unless you have purchased a commercial license agreement from Jaspersoft, * the following license terms apply: * * This program is part of JasperReports. * * JasperReports is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * JasperReports is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with JasperReports. If not, see <http://www.gnu.org/licenses/>. */ import java.text.DateFormat; import java.text.SimpleDateFormat; public class Main { public static final String ISO_DATE_PATTERN = "yyyy-MM-dd'T'HH:mm:ss"; public static DateFormat getIsoDateFormat() { return new SimpleDateFormat(ISO_DATE_PATTERN); } }